147423949 has 8 divisors (see below), whose sum is σ = 158742720. Its totient is φ = 136399296.

The previous prime is 147423937. The next prime is 147423953. The reversal of 147423949 is 949324741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147423949 - 2⁷ = 147423821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147423959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72489 + ... + 74494.

It is an arithmetic number, because the mean of its divisors is an integer number (19842840).

Almost surely, 2^147423949 is an apocalyptic number.

It is an amenable number.

147423949 is a deficient number, since it is larger than the sum of its proper divisors (11318771).

147423949 is a wasteful number, since it uses less digits than its factorization.

147423949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147059.

The product of its digits is 217728, while the sum is 43.

The square root of 147423949 is about 12141.8264276838. The cubic root of 147423949 is about 528.2700793910.

The spelling of 147423949 in words is "one hundred forty-seven million, four hundred twenty-three thousand, nine hundred forty-nine".